Knowledge base for software setup, errors, and daily tool work.

Check If Your Windows License Is Retail or OEM

If you're troubleshooting activation issues or planning to transfer Windows to a new computer, kn...

Fix PowerShell 504 Gateway Timeout in Azure Function Apps

If your PowerShell script hits a 504 Gateway Timeout when calling an Azure Funct...

Fix npm Permission Denied and EACCES Cache Errors

If you see npm ERR! Error: EACCES: permission denied when running npm commands, it u...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Microsoft Store Error 0x80073cf0 When Updating Apps

When you try to update apps in the Microsoft Store, you may see error code 0x80073cf0. This usual...

How to Enable Windows Security Real-Time Protection

If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...